Relationship between surface properties (roughness, contact angle) of copper and mild steel Sudhakaran R.1,*, Thangavelu C.2, Sekar M.3, Kasilingam T.3, Deepa T.4 1Department of Chemistry, Govt. Arts College, Tiruchirappalli-22, Tamil Nadu, India 2Department of Chemistry, Govt. Arts College for Women, Nillakkottai, Dindugul-624202, Tamil Nadu, India 3Department of Chemistry, Periyar E. V. R. College (Autonomous), Tiruchirappalli-23, Tamil Nadu, India 4Department of Chemistry, Govt. Arts College (Autonomous), Karur-639 005, Tamil Nadu, India *Corresponding Author E-mail: sanjumetra@gmail.com
Online published on 17 October, 2015. Abstract Corrosive behaviour of sodium gluconate (SG) with Zn2+ in different metals was studied in potable water. On analysis, in potable water, it was found to be more corrosive towards mild steel in compared to copper. The surface examination studies also carried out with help of Scanning Electron Microscope (SEM), Energy dispersive x-ray analysis (EDX), Atomic Force Microscope (AFM) and Water contact angle technique. The result of water contact angle technique induced by the lotus effect in copper on the surface is superhydrophobic nature and in case of mild steel surface is hydrophobic nature. Top Keywords Corrosion, Contact angle, Surface analysis, Copper, Mild steel. Top |